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 | Let's start; when do you create this legendary electric bulb? | |
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| I create the electric bulb in october 21th of 1879. | |
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| what is it made? | |
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| The electric bulb is made of a glass bulb, inert gas, tungsten filament, support filament, insulating glass support, base, contact wire (for the base), pad of a bulb, contact whire (for the pad). | |
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| What is the nature of your invention? | |
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| The nature of my invention is converting electrical energy into light. | |
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